CN206372684U - Gas alkaline cleaner is reclaimed in a kind of high-purity chloro ethylene production - Google Patents
Gas alkaline cleaner is reclaimed in a kind of high-purity chloro ethylene production Download PDFInfo
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- CN206372684U CN206372684U CN201720039776.3U CN201720039776U CN206372684U CN 206372684 U CN206372684 U CN 206372684U CN 201720039776 U CN201720039776 U CN 201720039776U CN 206372684 U CN206372684 U CN 206372684U
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Abstract
The utility model belongs to the technical field of paste production of resins, is specifically related in a kind of high-purity chloro ethylene production reclaim gas alkaline cleaner.Gas alkaline cleaner is reclaimed in this kind of high-purity chloro ethylene production, including caustic wash tower and alkali circulating tank, the upper and lower part of caustic wash tower side tower wall is respectively equipped with the outlet of recovery gas and reclaims gas import, and the top and middle part of opposite side tower wall are respectively equipped with lye import I and lye import II；The bottom of caustic wash tower is provided with lye export；Packing layer I and packing layer II are provided with the caustic wash tower, the top of the alkali circulating tank is provided with alkali loop head, the alkali loop head is connected by pipeline with lye export, and the bottom of alkali circulating tank is provided with alkali loop exit, and the alkali loop exit is connected with lye import I and lye import II；Cooling coil is installed, the wherein mouth of pipe at cooling coil two ends is connected by cooling water pipeline with the cooling water storage tank on the outside of alkali circulating tank in the alkali circulating tank；The recovery gas outlet connection alkali adsorption dehumifier.The alkaline cleaner is reasonable in design, can effectively be removed to reclaiming the hydrogen chloride gas in gas, greatly reduce the influence to follow-up system.
Description
Technical field
The utility model belongs to the technical field of paste production of resins, is specifically related to a kind of high-purity chloro ethylene production
Middle recovery gas alkaline cleaner.
Background technology
Because vinyl chloride can produce hydrogen chloride gas during the course of the reaction, and hydrogen chloride gas is blended in recovery gas, with
Water cause seriously corroded with reference to meeting to follow-up system.Measured by experiment, the alkali lye of concentration 15% be under cryogenic 10 DEG C with
The interior assimilation effect to hydrogen chloride gas is best, therefore how the hydrogen chloride gas that efficient absorption is reclaimed in gas turns into urgently to be resolved hurrily
The problem of.
The content of the invention
The purpose of this utility model is to provide a kind of high-purity chloro ethylene production for above-mentioned defect
Middle recovery gas alkaline cleaner, the alkaline cleaner is reasonable in design, can effectively be removed to reclaiming the hydrogen chloride gas in gas, greatly
Reduce the influence to follow-up system greatly.
The technical solution of the utility model is：Gas alkaline cleaner is reclaimed in a kind of high-purity chloro ethylene production, including
Caustic wash tower and the alkali circulating tank on the outside of caustic wash tower, the upper and lower part of caustic wash tower side tower wall is respectively equipped with recovery gas
Outlet and recovery gas import, the top and middle part of opposite side tower wall are respectively equipped with lye import I and lye import II, wherein alkali lye
It is provided with import I at alkali lye shower nozzle I, lye import II and is provided with alkali lye shower nozzle II；The bottom of caustic wash tower is provided with lye export；It is described
Packing layer I and packing layer II are sequentially provided with caustic wash tower from top to bottom, wherein lye import I is located at the top of packing layer I, alkali lye
Import II is located between packing layer I and packing layer II；The top of described filler layer I and packing layer II is equipped with pore titanium net；
The top of the alkali circulating tank is provided with alkali loop head, and the alkali loop head is connected by pipeline with lye export, alkali circulation
The bottom of tank is provided with alkali loop exit, and the alkali loop exit is entered with lye import I and alkali lye respectively by alkali circulating pump and branch pipe
Mouth II is connected；In the alkali circulating tank cooling coil is installed, the cooling coil in the shape of a spiral, wherein cooling coil two ends
The mouth of pipe is connected by cooling water pipeline with the cooling water storage tank on the outside of alkali circulating tank；The recovery gas outlet connection alkali is inhaled
Attached drier, the alkali adsorption dehumifier includes three horizontal loading pipes be arrangeding in parallel, and wherein loading pipe is by horizontal straight tube and divides
The joint for not being fixed on horizontal straight tube two ends port is constituted, in 110 ° of angles between joint and horizontal straight tube；Three transverse directions
Two U-shaped connecting tubes are passed sequentially through between loading pipe and connect into S types；The alkali adsorption dehumifier is located at the joint at head and the tail two ends
Taper converting interface is mounted on, one of taper converting interface is connected with reclaiming gas outlet；The lye import I, alkali lye enter
Pore titanium net is equipped with mouth II and alkali loop exit.
Sodium hydrate solid packing layer is installed in the horizontal straight tube.
The bottom of the horizontal straight tube is provided with the rubber tube that Band clamp is connected with discharging tube, the mouth of pipe of the discharging tube.When
When having liquid accumulation in horizontal straight tube after long-term use, liquid can be released by discharging tube, then with the rubber with clip
Sebific duct is sealed.In the case of not termination so can be ensured, liquid is discharged, device is carried out continuously.
The beneficial effects of the utility model are：Recovery gas alkaline cleaner described in the utility model includes caustic wash tower, alkali and circulated
Tank and alkali adsorption dehumifier, the recovery gas containing hydrogen chloride gas enter caustic wash tower by reclaiming gas import first, at the same time
The He of lye import I is delivered to by alkali loop exit and alkali circulating pump respectively by sufficiently cool alkali circulation fluid in alkali circulating tank
Lye import II, is then sprayed on packing layer I and packing layer II, now returned respectively by alkali lye shower nozzle I and alkali lye shower nozzle II
Getter body passes sequentially through packing layer II and packing layer I, and sufficient absorbing and removing has been carried out to the hydrogen chloride gas in gas recovery,
Recovery gas after caustic wash tower alkali cleaning is entered in alkali adsorption dehumifier by reclaiming gas outlet, and hydrogen is provided with horizontal straight tube
Sodium oxide molybdena solid packing layer, carries out double absorption, the thorough alkali removing of the hydrogen chloride gas not being removed to alkali cleaning, while can be right
Gas is reclaimed to be dried.
Gas is reclaimed by multiple horizontal straight tubes, the increased phenomenon of some regions packing density in pipe shaft is effectively reduced, subtracts
Air-flow is lacked and passes through phenomenon of being obstructed, it is to avoid explosion accident caused by blocking pipeline.Body is laterally set so that reclaim gas horizontal
Outlet passageway is blocked to solid packing by packing layer, is overcome, cause the increased phenomenon of reaction system internal pressure, it is to avoid block
Explosion accident caused by pipeline.The adsorption dehumifier gas circuit is unobstructed, fluent, and the phenomenon that internal pressure increases does not occur again；Device
It is easily fixed, can be according to gas uptake and place the need for, easily combine absorption and the coupling part of various shapes, fill
Divide utilization space；Using horizontal filling, in half-full state, it is easy to clean, take as original 1/20 or so.
5 DEG C of water are passed through in helical form cooling coil built in alkali circulating tank, the cooling coil to cool to alkali lye in tank, are protected
Alkali circulation fluid temperature is demonstrate,proved below 10 DEG C, remains that the alkali lye of concentration 15% is best to the assimilation effect of hydrogen chloride gas.It is described
The top of packing layer I and packing layer II is equipped with pore titanium net, prevents that garland fragment from entering cycle gas system and alkali is circulated
Pipeline causes the blocking of valve and shower nozzle.Pore titanium is equipped with the lye import I, lye import II and alkali loop exit
Net, it is to avoid produce sodium carbonate crystal in pipeline during low temperature and block valve, spray orifice and Teller Rosette layer, cause alkali cleaning
Alkali number is not enough on tower or circulation draught head is excessive, the normal production of influence.
In summary, the alkaline cleaner is reasonable in design, can effectively be removed, taken off to reclaiming the hydrogen chloride gas in gas
Except rate reaches 99.8~100%, the influence to follow-up system is greatly reduced.
Brief description of the drawings
Fig. 1 is recovery gas alkaline cleaner in high-purity chloro ethylene production in the utility model embodiment
Structural representation.
Wherein, 1 is caustic wash tower, and 2 be alkali circulating tank, and 3 is reclaim gas outlet, and 4 is reclaim gas import, and 5 be lye import I, 6
It is alkali lye shower nozzle I for lye import II, 7,8 be alkali lye shower nozzle II, and 9 be lye export, and 10 be packing layer I, and 11 be packing layer II,
12 be pore titanium net, and 13 be alkali loop head, and 14 be pipeline, and 15 be alkali loop exit, and 16 be alkali circulating pump, and 17 be branch pipe, 18
It is cooling water pipeline for cooling coil, 19,20 be cooling water storage tank, and 21 be alkali adsorption dehumifier, and 22 be horizontal straight tube, and 23 be to connect
Head, 24 be U-shaped connecting tube, and 25 be taper converting interface, and 26 be sodium hydrate solid packing layer, and 27 be discharging tube, and 28 be Band clamp
Rubber tube.
Embodiment
Below in conjunction with the accompanying drawings, the technical solution of the utility model is described in detail.
From figure 1 it appears that gas alkaline cleaner is reclaimed in a kind of high-purity chloro ethylene production of the present utility model,
Alkali circulating tank 2 including caustic wash tower 1 and positioned at the outside of caustic wash tower 1, the upper and lower part of the side tower wall of caustic wash tower 1 is set respectively
There is recovery gas outlet 3 and reclaim gas import 4, the top and middle part of opposite side tower wall are respectively equipped with lye import I 5 and lye import
II 6, it is provided with wherein at lye import I 5 at alkali lye shower nozzle I 7, lye import II 6 and is provided with alkali lye shower nozzle II 8；The bottom of caustic wash tower 1
Provided with lye export 9；Packing layer I 10 and packing layer II 11, wherein lye import are sequentially provided with from top to bottom in the caustic wash tower 1
I 5 are located at the top of packing layer I 10, and lye import II 6 is located between packing layer I 10 and packing layer II 11；Described filler layer I 10
Pore titanium net 12 is equipped with the top of packing layer II 11；The top of the alkali circulating tank 2 is provided with alkali loop head 13, the alkali
Loop head 13 is connected by pipeline 14 with lye export 9, and the bottom of alkali circulating tank 2 is provided with alkali loop exit 15, and the alkali is followed
Ring outlet 15 is connected with lye import I 5 and lye import II 6 respectively by alkali circulating pump 16 and branch pipe 17；The alkali circulation
Cooling coil 18 is installed, in the shape of a spiral, the mouth of pipe at the wherein two ends of cooling coil 18 passes through cooling water to the cooling coil 18 in tank 2
Pipeline 19 is connected with the cooling water storage tank 20 positioned at the outside of alkali circulating tank 2；The recovery gas outlet 3 connects alkali adsorption dehumifier
21, the alkali adsorption dehumifier 21 includes three horizontal loading pipes be arrangeding in parallel, and wherein loading pipe is by horizontal straight tube 22 and difference
The joint 23 for being fixed on the horizontal two ends port of straight tube 22 is constituted, in 110 ° of angles between joint 23 and horizontal straight tube 22；Described three
Two U-shaped connecting tubes 24 are passed sequentially through between individual horizontal loading pipe and connect into S types；The alkali adsorption dehumifier 21 is located at head and the tail
The joint 23 at two ends is mounted on taper converting interface 25, and one of taper converting interface 25 is connected with reclaiming gas outlet 3；It is described
Pore titanium net 12 is equipped with lye import I 5, lye import II 6 and alkali loop exit 15.
Sodium hydrate solid packing layer 26 is installed in the horizontal straight tube 22.
The bottom of the horizontal straight tube 22 is provided with the rubber that Band clamp is connected with discharging tube 27, the mouth of pipe of the discharging tube 27
Pipe 28.When having liquid accumulation in horizontal straight tube after long-term use, liquid can be released by discharging tube, then with folder
The rubber tube of son is sealed.In the case of not termination so can be ensured, liquid is discharged, device is carried out continuously.
Recovery gas containing hydrogen chloride gas enters caustic wash tower by reclaiming gas import first, at the same time in alkali circulating tank
Lye import I and lye import are delivered to by alkali loop exit and alkali circulating pump respectively by sufficiently cool alkali circulation fluid
II, be then sprayed to respectively on packing layer I and packing layer II by alkali lye shower nozzle I and alkali lye shower nozzle II, now gas recovery according to
It is secondary by packing layer II and packing layer I, sufficient absorbing and removing has been carried out to the hydrogen chloride gas in gas recovery, by alkali cleaning
Recovery gas after tower alkali cleaning is entered in alkali adsorption dehumifier by reclaiming gas outlet, and sodium hydroxide is provided with horizontal straight tube and is consolidated
Body packing layer, carries out double absorption, the thorough alkali removing of the hydrogen chloride gas not being removed to alkali cleaning, while can enter to reclaiming gas
Drying is gone.
Claims (3)
1. gas alkaline cleaner is reclaimed in a kind of high-purity chloro ethylene production, including caustic wash tower and the alkali on the outside of caustic wash tower
Circulating tank, it is characterised in that the upper and lower part of caustic wash tower side tower wall is respectively equipped with the outlet of recovery gas and reclaims gas
Mouthful, the top and middle part of opposite side tower wall are respectively equipped with lye import I and lye import II, and alkali is provided with wherein at lye import I
Alkali lye shower nozzle II is provided with liquid shower nozzle I, lye import II；The bottom of caustic wash tower is provided with lye export；From upper in the caustic wash tower
Packing layer I and packing layer II are sequentially provided with, wherein lye import I is located at the top of packing layer I, and lye import II, which is located at, fills out
Between the bed of material I and packing layer II；The top of described filler layer I and packing layer II is equipped with pore titanium net；The alkali circulating tank
Top be provided with alkali loop head, the alkali loop head is connected by pipeline with lye export, and the bottom of alkali circulating tank is provided with
Alkali loop exit, the alkali loop exit is connected with lye import I and lye import II respectively by alkali circulating pump and branch pipe；Institute
State in alkali circulating tank and cooling coil is installed, in the shape of a spiral, wherein the mouth of pipe at cooling coil two ends passes through cooling to the cooling coil
Waterpipe is connected with the cooling water storage tank on the outside of alkali circulating tank；The recovery gas outlet connection alkali adsorption dehumifier, should
Alkali adsorption dehumifier includes three horizontal loading pipes be arrangeding in parallel, and wherein loading pipe is by horizontal straight tube and is individually fixed in transverse direction
The joint of straight tube two ends port is constituted, in 110 ° of angles between joint and horizontal straight tube；Between three horizontal loading pipes according to
It is secondary to connect into S types by two U-shaped connecting tubes；The joint that the alkali adsorption dehumifier is located at head and the tail two ends is mounted on taper
Converting interface, one of taper converting interface is connected with reclaiming gas outlet；The lye import I, lye import II and alkali circulation
Exit is equipped with pore titanium net.
2. gas alkaline cleaner is reclaimed in high-purity chloro ethylene production according to claim 1, it is characterised in that the horizontal stroke
Sodium hydrate solid packing layer is installed into straight tube.
3. gas alkaline cleaner is reclaimed in high-purity chloro ethylene production according to claim 2, it is characterised in that the horizontal stroke
The rubber tube that Band clamp is connected with discharging tube, the mouth of pipe of the discharging tube is provided with to the bottom of straight tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720039776.3U CN206372684U (en) | 2017-01-13 | 2017-01-13 | Gas alkaline cleaner is reclaimed in a kind of high-purity chloro ethylene production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720039776.3U CN206372684U (en) | 2017-01-13 | 2017-01-13 | Gas alkaline cleaner is reclaimed in a kind of high-purity chloro ethylene production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206372684U true CN206372684U (en) | 2017-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720039776.3U Active CN206372684U (en) | 2017-01-13 | 2017-01-13 | Gas alkaline cleaner is reclaimed in a kind of high-purity chloro ethylene production |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107569995A (en) * | 2017-10-23 | 2018-01-12 | 天津长芦海晶集团有限公司 | Chlorine recycling and processing device and technique |
| CN107569994A (en) * | 2017-09-29 | 2018-01-12 | 禹州市维立特化工有限公司 | A kind of alkali liquor absorption tower with filler back purge system |
| CN108686611A (en) * | 2018-07-18 | 2018-10-23 | 中国工程物理研究院核物理与化学研究所 | A kind of absorber for handling I-131 in high temperature carrier gas |
| CN109663466A (en) * | 2019-01-15 | 2019-04-23 | 山东京博石油化工有限公司 | A kind of hydrogen sulfide alkaline cleaner and method for mixed alkanes dehydrogenation unit |
| CN111804014A (en) * | 2020-08-01 | 2020-10-23 | 山东朗晖石油化学股份有限公司 | Separation device for improving production quality of ATBC (automatic transfer control) and TBC (TBC) |
-
2017
- 2017-01-13 CN CN201720039776.3U patent/CN206372684U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107569994A (en) * | 2017-09-29 | 2018-01-12 | 禹州市维立特化工有限公司 | A kind of alkali liquor absorption tower with filler back purge system |
| CN107569995A (en) * | 2017-10-23 | 2018-01-12 | 天津长芦海晶集团有限公司 | Chlorine recycling and processing device and technique |
| CN107569995B (en) * | 2017-10-23 | 2024-04-09 | 天津长芦海晶集团有限公司 | Chlorine recovery treatment device and technology |
| CN108686611A (en) * | 2018-07-18 | 2018-10-23 | 中国工程物理研究院核物理与化学研究所 | A kind of absorber for handling I-131 in high temperature carrier gas |
| CN108686611B (en) * | 2018-07-18 | 2023-12-15 | 中国工程物理研究院核物理与化学研究所 | Absorber for treating I-131 in high-temperature carrier gas |
| CN109663466A (en) * | 2019-01-15 | 2019-04-23 | 山东京博石油化工有限公司 | A kind of hydrogen sulfide alkaline cleaner and method for mixed alkanes dehydrogenation unit |
| CN111804014A (en) * | 2020-08-01 | 2020-10-23 | 山东朗晖石油化学股份有限公司 | Separation device for improving production quality of ATBC (automatic transfer control) and TBC (TBC) |
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Address after: 255000 Jinshan Economic Development Zone, Linzi District, Shandong, Zibo Patentee after: Shandong Langhui Grand Pacific Petrochemical Co. Address before: 255000 Jinshan Economic Development Zone, Linzi District, Shandong, Zibo Patentee before: SHANDONG LANGHUI PETROCHEMICAL Co.,Ltd. |